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                        MXY整理版Python基础
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            <span><b>1.</b> Python的安装和简介</span>
            
            
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                            <b>1.3.</b>
                        
                        第一个Python程序
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            <span><b>2.</b> Python的基本语法</span>
            
            
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            <span><b>3.</b> Python的变量及数据类型</span>
            
            
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                            <b>3.1.</b>
                        
                        变量
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                        数据类型
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                        数据类型转换
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                            <b>3.4.</b>
                        
                        数据类型转换
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            <span><b>4.</b> Python的流程控制</span>
            
            
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                        顺序结构和分支结构
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                            <b>4.2.</b>
                        
                        循环结构
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            <span><b>5.</b> 函数及作用域</span>
            
            
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                            <b>5.1.</b>
                        
                        函数
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                            <b>5.2.</b>
                        
                        函数文档
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                            <b>5.3.</b>
                        
                        变量的作用域
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                        内部函数和闭包操作
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                            <b>5.5.</b>
                        
                        lambda表达式
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                            <b>5.6.</b>
                        
                        高阶函数
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            <span><b>6.</b> 内置函数及操作</span>
            
            
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                            <b>6.1.</b>
                        
                        字符串相关
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                            <b>6.2.</b>
                        
                        format格式字符串
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                            <b>6.3.</b>
                        
                        内建函数
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                            <b>6.4.</b>
                        
                        列表
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                            <b>6.5.</b>
                        
                        元组
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                            <b>6.6.</b>
                        
                        字典
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                            <b>6.7.</b>
                        
                        集合
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                            <b>6.8.</b>
                        
                        文件操作
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            <span><b>7.</b> 常用的模块</span>
            
            
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                            <b>7.1.</b>
                        
                        String模块
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                            <b>7.2.</b>
                        
                        math模块
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                            <b>7.3.</b>
                        
                        OS模块
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                            <b>7.4.</b>
                        
                        zipfile模块
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                            <b>7.5.</b>
                        
                        tarfile模块
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                            <b>7.6.</b>
                        
                        shutil模块
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                            <b>7.7.</b>
                        
                        时间相关模块
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        <li class="chapter " data-level="8" >
            
            <span><b>8.</b> 面向对象</span>
            
            
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                            <b>8.1.</b>
                        
                        类和对象-上
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                            <b>8.2.</b>
                        
                        类和对象-下
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                            <b>8.3.</b>
                        
                        魔术方法
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                            <b>8.4.</b>
                        
                        装饰器
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                            <b>8.5.</b>
                        
                        抽象类
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                            <b>8.6.</b>
                        
                        错误和异常处理
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                            <b>8.7.</b>
                        
                        模块和包
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        <li class="chapter " data-level="9" >
            
            <span><b>9.</b> tkinter模块</span>
            
            
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        <li class="chapter " data-level="9.1" data-path="home/9.tkinter模块/tkinter模块.html">
            
                
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                            <b>9.1.</b>
                        
                        tkinter模块
                    </a>
            
            
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        <li class="chapter " data-level="10" data-path="home/10.网络编程/1.网络编程.html">
            
                
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                            <b>10.</b>
                        
                        网络编程
                    </a>
            
            
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        <li class="chapter active" data-level="10.1" data-path="home/10.网络编程/2.TCP编程.html">
            
                
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                            <b>10.1.</b>
                        
                        TCP编程
                    </a>
            
            
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        <li class="chapter " data-level="10.2" data-path="home/10.网络编程/3.UDP编程.html">
            
                
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                            <b>10.2.</b>
                        
                        UDP编程
                    </a>
            
            
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        <li class="chapter " data-level="11" data-path="home/11.多任务/多任务原理.html">
            
                
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                            <b>11.</b>
                        
                        多任务
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        <li class="chapter " data-level="11.1" data-path="home/11.多任务/1.多进程实现多任务.html">
            
                
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                            <b>11.1.</b>
                        
                        多进程实现多任务
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                            <b>11.2.</b>
                        
                        多线程实现多任务
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        <li class="chapter " data-level="11.3" data-path="home/11.多任务/3.协程实现多任务.html">
            
                
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                            <b>11.3.</b>
                        
                        协程实现多任务
                    </a>
            
            
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        <li class="chapter " data-level="12" >
            
            <span><b>12.</b> Python实战项目</span>
            
            
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        <li class="chapter " data-level="12.1" data-path="home/12.Python实战项目/1.简易计算器.html">
            
                
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                            <b>12.1.</b>
                        
                        简易计算器
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        <li class="chapter " data-level="12.2" data-path="home/12.Python实战项目/2.自动售货机.html">
            
                
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                            <b>12.2.</b>
                        
                        自动售货机
                    </a>
            
            
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        <li class="chapter " data-level="12.3" data-path="home/12.Python实战项目/3.银行项目.html">
            
                
                    <a href="../../home/12.Python实战项目/3.银行项目.html">
                
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                            <b>12.3.</b>
                        
                        银行项目
                    </a>
            
            
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                            <b>12.4.</b>
                        
                        简单的登录注册
                    </a>
            
            
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                            <b>12.5.</b>
                        
                        双色球
                    </a>
            
            
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                            <b>12.6.</b>
                        
                        python垃圾回收机制
                    </a>
            
            
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                            <b>12.7.</b>
                        
                        turtle画国旗
                    </a>
            
            
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                            <b>12.8.</b>
                        
                        turtle画小猪佩奇
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                            <b>12.9.</b>
                        
                        turtle画个表
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                        <h1 id="tcp&#x7F16;&#x7A0B;">TCP&#x7F16;&#x7A0B;</h1>
<hr>
<ul>
<li><h2 id="tcp&#x901A;&#x4FE1;&#x8FC7;&#x7A0B;">TCP&#x901A;&#x4FE1;&#x8FC7;&#x7A0B;</h2>
<p>  <img src="../images/TCP.png" alt=""></p>
</li>
</ul>
<hr>
<ul>
<li><h2 id="tcp&#x4E09;&#x6B21;&#x63E1;&#x624B;&#x548C;&#x56DB;&#x6B21;&#x6325;&#x624B;">TCP&#x4E09;&#x6B21;&#x63E1;&#x624B;&#x548C;&#x56DB;&#x6B21;&#x6325;&#x624B;</h2>
</li>
<li><h4 id="&#x4E09;&#x6B21;&#x63E1;&#x624B;">&#x4E09;&#x6B21;&#x63E1;&#x624B;</h4>
</li>
<li>&#x7B2C;&#x4E00;&#x6B21;&#x63E1;&#x624B;&#xFF1A;Client&#x5C06;&#x6807;&#x5FD7;&#x4F4D;SYN&#x7F6E;&#x4E3A;1&#xFF0C;&#x968F;&#x673A;&#x4EA7;&#x751F;&#x4E00;&#x4E2A;&#x503C;seq=x&#xFF0C;&#x5E76;&#x5C06;&#x8BE5;&#x6570;&#x636E;&#x5305;&#x53D1;&#x9001;&#x7ED9;Server&#xFF0C;Client&#x8FDB;&#x5165;SYN_SENT&#x72B6;&#x6001;&#xFF0C;&#x7B49;&#x5F85;Server&#x786E;&#x8BA4;&#xFF1B;</li>
<li>&#x7B2C;&#x4E8C;&#x6B21;&#x63E1;&#x624B;&#xFF1A;Server&#x6536;&#x5230;&#x6570;&#x636E;&#x5305;&#x540E;&#x6807;&#x5FD7;&#x4F4D;SYN=1&#x77E5;&#x9053;Client&#x8BF7;&#x6C42;&#x5EFA;&#x7ACB;&#x8FDE;&#x63A5;&#xFF0C;Server&#x5C06;&#x6807;&#x5FD7;&#x4F4D;SYN&#x548C;ACK&#x90FD;&#x7F6E;&#x4E3A;1&#xFF0C;ack=x+1&#xFF0C;&#x968F;&#x673A;&#x4EA7;&#x751F;&#x4E00;&#x4E2A;&#x503C; seq=y&#xFF0C;&#x5E76;&#x5C06;&#x8BE5;&#x6570;&#x636E;&#x5305;&#x53D1;&#x9001;&#x7ED9;Client&#x4EE5;&#x786E;&#x8BA4;&#x8FDE;&#x63A5;&#x8BF7;&#x6C42;&#xFF0C;Server&#x8FDB;&#x5165;SYN_RCVD&#x72B6;&#x6001;&#xFF1B;</li>
<li>&#x7B2C;&#x4E09;&#x6B21;&#x63E1;&#x624B;&#xFF0C;Client&#x6536;&#x5230;&#x786E;&#x8BA4;&#x540E;&#xFF0C;&#x68C0;&#x67E5;ack&#x662F;&#x5426;&#x4E3A;x+1&#xFF0C;ACK&#x662F;&#x5426;&#x4E3A;1,&#x5982;&#x679C;&#x6B63;&#x786E;&#x5219;&#x5C06;&#x6807;&#x5FD7;&#x4F4D;ACK&#x7F6E;&#x4E3A;1&#xFF0C;ack=y+1&#xFF0C;&#x5E76;&#x5C06;&#x8BE5;&#x6570;&#x636E;&#x5305;&#x53D1;&#x9001;&#x7ED9;Server&#xFF0C;Server&#x68C0;&#x67E5;ack&#x662F;&#x5426;&#x4E3A;y+1&#xFF0C;ACK&#x662F;&#x5426;&#x4E3A;1&#xFF0C;&#x5982;&#x679C;&#x6B63;&#x786E;&#x5219;&#x8FDE;&#x63A5;&#x5EFA;&#x7ACB;&#x6210;&#x529F;&#xFF0C;Client&#x548C;Server&#x8FDB;&#x5165;ESTABLISHED&#x72B6;&#x6001;&#xFF0C;<strong>&#x5B8C;&#x6210;&#x4E09;&#x6B21;&#x63E1;&#x624B;&#xFF0C;&#x968F;&#x540E;Client&#x4E0E;Server&#x4E4B;&#x95F4;&#x53EF;&#x4EE5;&#x5F00;&#x59CB;&#x4F20;&#x8F93;&#x6570;&#x636E;&#x4E86;</strong>&#x3002;</li>
<li>&#x67E5;&#x770B;&#x662F;&#x5426;&#x6709;SYN&#x653B;&#x51FB;&#xFF1A;<ul>
<li><code>$netstat -nap | grep SYN_RECV</code></li>
</ul>
</li>
</ul>
<p><img src="../images/&#x4E09;&#x6B21;&#x63E1;&#x624B;.gif" alt="">
<img src="../images/&#x4E09;&#x6B21;&#x63E1;&#x624B;.png" alt=""></p>
<ul>
<li><h4 id="&#x56DB;&#x6B21;&#x6325;&#x624B;">&#x56DB;&#x6B21;&#x6325;&#x624B;</h4>
</li>
<li>&#x7B2C;&#x4E00;&#x6B21;&#x6325;&#x624B;&#xFF1A;Client&#x53D1;&#x9001;&#x4E00;&#x4E2A;FIN&#xFF0C;&#x7528;&#x6765;&#x5173;&#x95ED;Client&#x5230;Server&#x7684;&#x6570;&#x636E;&#x4F20;&#x9001;&#xFF0C;Client&#x8FDB;&#x5165;FIN_WAIT_1 &#x72B6;&#x6001;&#xFF1B;</li>
<li>&#x7B2C;&#x4E8C;&#x6B21;&#x6325;&#x624B;&#xFF1A;Server&#x6536;&#x5230;FIN&#x540E;&#xFF0C;&#x53D1;&#x9001;&#x4E00;&#x4E2A;ACK&#x7ED9;Client&#xFF0C;&#x786E;&#x8BA4;&#x5E8F;&#x53F7;&#x4E3A;&#x6536;&#x5230;&#x5E8F;&#x53F7;+1&#xFF08;&#x4E0E;SYN&#x76F8;&#x540C;&#xFF0C;&#x4E00;&#x4E2A;FIN&#x5360;&#x7528;&#x4E00;&#x4E2A;&#x5E8F;&#x53F7;&#xFF09;&#xFF0C;Server&#x8FDB;&#x5165;CLOSR_WAIT&#x72B6;&#x6001;&#xFF1B;</li>
<li>&#x7B2C;&#x4E09;&#x6B21;&#x6325;&#x624B;&#xFF1A;Server&#x53D1;&#x9001;&#x4E00;&#x4E2A;FIN&#xFF0C;&#x7528;&#x6765;&#x5173;&#x95ED;Server&#x5230;Client&#x7684;&#x6570;&#x636E;&#x4F20;&#x8F93;&#xFF0C;Server&#x8FDB;&#x5165;LAST_ACK&#x72B6;&#x6001;&#xFF1B;</li>
<li>&#x7B2C;&#x56DB;&#x6B21;&#x6325;&#x624B;&#xFF1A;Client&#x6536;&#x5230;FIN&#x540E;&#xFF0C;Client&#x8FDB;&#x5165;TIME_WAIT&#x72B6;&#x6001;&#xFF0C;&#x63A5;&#x7740;&#x53D1;&#x9001;&#x4E00;&#x4E2A;ACK&#x7ED9;Server&#xFF0C;&#x786E;&#x8BA4;&#x5E8F;&#x53F7;&#x4E3A;&#x6536;&#x5230;&#x7684;&#x5E8F;&#x53F7;+1&#xFF0C;Server&#x8FDB;&#x5165;CLOSED&#x72B6;&#x6001;&#xFF0C;&#x5B8C;&#x6210;&#x56DB;&#x6B21;&#x6325;&#x624B;</li>
</ul>
<p><img src="../images/&#x56DB;&#x6B21;&#x6325;&#x624B;.gif" alt="">
<img src="../images/&#x56DB;&#x6B21;&#x6325;&#x624B;.png" alt=""></p>
<ul>
<li><h3 id="tcp&#x62A5;&#x6587;">TCP&#x62A5;&#x6587;</h3>
</li>
<li>&#x5E8F;&#x53F7;&#xFF1A;Seq&#x5E8F;&#x53F7;&#xFF0C;&#x5360;32&#x4F4D;&#xFF0C;&#x7528;&#x6765;&#x6807;&#x8BC6;&#x4ECE;TCP&#x6E90;&#x7AEF;&#x53D1;&#x9001;&#x7684;&#x5B57;&#x8282;&#x6D41;&#xFF0C;&#x53D1;&#x9001;&#x65B9;&#x53D1;&#x9001;&#x6570;&#x636E;&#x5BF9;&#x6B64;&#x8FDB;&#x884C;&#x6807;&#x8BB0;</li>
<li>&#x786E;&#x8BA4;&#x597D;&#xFF1A;Ack&#x5E8F;&#x53F7;&#xFF0C;&#x5360;32&#x4F4D;&#xFF0C;&#x53EA;&#x6709;ACK&#x6807;&#x5FD7;&#x4F4D;&#x4E3A;1&#x65F6;&#xFF0C;&#x786E;&#x8BA4;&#x5E8F;&#x53F7;&#x5B57;&#x6BB5;&#x624D;&#x6709;&#x6548;&#xFF0C;Ack=Seq+1</li>
<li>&#x6807;&#x5FD7;&#x4F4D; 6&#x4E2A;<pre><code class="lang-py">A. URG: &#x7D27;&#x6025;&#x6307;&#x9488;(urgent pointer)&#x6709;&#x6548;
B. ACK: &#x786E;&#x8BA4;&#x5E8F;&#x53F7;&#x6709;&#x6548;
C. PSH: &#x63A5;&#x6536;&#x65B9;&#x5E94;&#x8BE5;&#x5C3D;&#x5FEB;&#x5C06;&#x8FD9;&#x4E2A;&#x62A5;&#x6587;&#x4EA4;&#x7ED9;&#x5E94;&#x7528;&#x5C42;
D. RST: &#x91CD;&#x7F6E;&#x8FDE;&#x63A5;
E. SYN: &#x53D1;&#x8D77;&#x4E00;&#x4E2A;&#x65B0;&#x8FDE;&#x63A5;
F. FIN: &#x91CA;&#x653E;&#x4E00;&#x4E2A;&#x8FDE;&#x63A5;
</code></pre>
</li>
</ul>
<hr>
<ul>
<li><h2 id="tcp&#x670D;&#x52A1;&#x7AEF;&#x642D;&#x5EFA;">TCP&#x670D;&#x52A1;&#x7AEF;&#x642D;&#x5EFA;</h2>
<pre><code class="lang-py">  <span class="hljs-number">1</span>&#x3001;&#x5BFC;&#x5165;&#x6A21;&#x5757;
      <span class="hljs-keyword">import</span> socket
  <span class="hljs-number">2</span>&#x3001;&#x521B;&#x5EFA;socket&#x5BF9;&#x8C61;
      sock = socket.socket(socket_family, socket_type)
          socket_family:
              socket.AF_INET      &#x901A;&#x7528;&#x7F51;&#x7EDC;&#x534F;&#x8BAE;&#x7684;&#x4F20;&#x64AD; ipv4
              socket.AF_INET6                       ipv6
              socket.AF_LNIX      &#x4F7F;&#x7528;&#x4E0E;UNIX&#x7CFB;&#x7EDF;&#x5185;&#x90E8;&#x7684;&#x4F20;&#x8F93;
          socket_type:
              socket.SOCK_STREAM  TCP&#x534F;&#x8BAE;
              socket.SOCK_DGRAM   UDP&#x534F;&#x8BAE;
  <span class="hljs-number">3</span>&#x3001;&#x7ED1;&#x5B9A;ip&#x548C;&#x7AEF;&#x53E3;&#x53F7;
      sock.bind((<span class="hljs-string">&quot;ip&quot;</span>, &#x7AEF;&#x53E3;&#x53F7;))  ip&#x5730;&#x5740;&#x53EF;&#x4EE5;&#x4E3A;&#x7A7A;&#xFF0C;&#x5982;&#x679C;&#x4E3A;&#x7A7A;&#xFF0C;&#x8868;&#x793A;&#x7ED1;&#x5B9A;&#x6240;&#x6709;ip
  <span class="hljs-number">4</span>&#x3001;&#x8BBE;&#x7F6E;&#x76D1;&#x542C;
      sock.listen(<span class="hljs-number">5</span>)
  <span class="hljs-number">5</span>&#x3001;&#x63A5;&#x6536;&#x4FE1;&#x606F;
      con, add = sock.accept()
          con&#xFF1A;&#x63A5;&#x6536;sock&#x5BF9;&#x8C61;&#xFF0C;&#x63A5;&#x6536;&#x5BF9;&#x65B9;&#x53D1;&#x9001;&#x7684;&#x4FE1;&#x606F;
          add&#xFF1A;&#x63A5;&#x6536;ip&#x548C;&#x7AEF;&#x53E3;&#x53F7;
      print(con.recv(<span class="hljs-number">1024</span>))
  <span class="hljs-number">6</span>&#x3001;&#x5173;&#x95ED;&#x5957;&#x63A5;&#x5B57;
      socket.close()
</code></pre>
</li>
</ul>
<ul>
<li><h2 id="tcp&#x5BA2;&#x6237;&#x7AEF;&#x642D;&#x5EFA;">TCP&#x5BA2;&#x6237;&#x7AEF;&#x642D;&#x5EFA;</h2>
<pre><code class="lang-py">  <span class="hljs-number">1</span>&#x3001;&#x5BFC;&#x5165;&#x6A21;&#x5757;
      <span class="hljs-keyword">import</span> socket
  <span class="hljs-number">2</span>&#x3001;&#x521B;&#x5EFA;socket&#x5BF9;&#x8C61;
      <span class="hljs-comment"># &#x53C2;&#x6570;&#xFF1A;&#x662F;&#x4E00;&#x4E2A;&#x5143;&#x7EC4;&#xFF0C;&#x7B2C;&#x4E00;&#x4E2A;&#x5143;&#x7D20;&#x4E3A;&#x8981;&#x8FDE;&#x63A5;&#x7684;&#x670D;&#x52A1;&#x5668;&#x7684;IP&#x5730;&#x5740;&#xFF08;&#x57DF;&#x540D;&#x4E5F;&#x884C;&#xFF09;&#xFF0C;&#x7B2C;&#x4E8C;&#x4E2A;&#x53C2;&#x6570;&#x4E3A;&#x7AEF;&#x53E3;&#x53F7;</span>
      sock = socket.socket(socket_family, socket_type)
      &#x8FD9;&#x4E24;&#x4E2A;&#x53C2;&#x6570;&#x5FC5;&#x987B;&#x548C;&#x670D;&#x52A1;&#x7AEF;&#x4FDD;&#x6301;&#x4E00;&#x81F4;
  <span class="hljs-number">3</span>&#x3001;&#x8FDE;&#x63A5;&#x670D;&#x52A1;&#x5668;
      sock.connect((<span class="hljs-string">&quot;&#x670D;&#x52A1;&#x5668;&#x7684;ip&#x5730;&#x5740;&quot;</span>, &#x7AEF;&#x53E3;&#x53F7;))
  <span class="hljs-number">4</span>&#x3001;&#x53D1;&#x9001;&#x4FE1;&#x606F;
      sock.send(<span class="hljs-string">&quot;&#x8981;&#x53D1;&#x9001;&#x7684;&#x4FE1;&#x606F;&quot;</span>)
      print(sock.recv(<span class="hljs-number">1024</span>))
  <span class="hljs-number">5</span>&#x3001;&#x5173;&#x95ED;&#x5957;&#x63A5;&#x5B57;
      sock.close()
</code></pre>
</li>
</ul>
<hr>
<h1 id="&#x5B9E;&#x4F8B;">&#x5B9E;&#x4F8B;</h1>
<ul>
<li><h3 id="tcp&#x670D;&#x52A1;&#x7AEF;&#x642D;&#x5EFA;">TCP&#x670D;&#x52A1;&#x7AEF;&#x642D;&#x5EFA;</h3>
<pre><code class="lang-py">  <span class="hljs-comment"># -*- coding:utf-8 -*-</span>

  <span class="hljs-keyword">import</span> socket

  tcpServer = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

  tcpServer.bind((<span class="hljs-string">&quot;&quot;</span>, <span class="hljs-number">8000</span>))

  tcpServer.listen(<span class="hljs-number">5</span>)
  print(<span class="hljs-string">&quot;TCP&#x670D;&#x52A1;&#x5668;&#x5DF2;&#x5F00;&#x542F;......&quot;</span>)

  a = <span class="hljs-number">0</span>
  <span class="hljs-keyword">while</span> a == <span class="hljs-number">0</span>:
      con, add = tcpServer.accept()
      print(<span class="hljs-string">&quot;con: {}&quot;</span>.format(con))
      print(<span class="hljs-string">&quot;add: {}&quot;</span>.format(add))
      print(<span class="hljs-string">&quot;{}&#x5DF2;&#x7ECF;&#x8FDE;&#x63A5;&#x6210;&#x529F;......&quot;</span>.format(add[<span class="hljs-number">0</span>]))
      <span class="hljs-keyword">while</span> <span class="hljs-keyword">True</span>:
          recvs = con.recv(<span class="hljs-number">1024</span>)
          print(recvs.decode(<span class="hljs-string">&quot;utf-8&quot;</span>))
          <span class="hljs-keyword">if</span> recvs.decode(<span class="hljs-string">&quot;utf-8&quot;</span>) == <span class="hljs-string">&apos;q&apos;</span>:
              print(<span class="hljs-string">&quot;&#x4E0E;&#x5BA2;&#x6237;&#x7AEF;&#x65AD;&#x5F00;&#x8FDE;&#x63A5;......&quot;</span>)
              print(<span class="hljs-string">&quot;TCP&#x670D;&#x52A1;&#x5668;&#x5F00;&#x542F;&#x4E2D;......&quot;</span>)
              <span class="hljs-keyword">break</span>

          data = input(<span class="hljs-string">&quot;&gt;&gt;&gt;&quot;</span>)
          con.send(data.encode(<span class="hljs-string">&quot;utf-8&quot;</span>))
          <span class="hljs-keyword">if</span> data == <span class="hljs-string">&apos;q&apos;</span>:
              a = <span class="hljs-number">1</span>
              <span class="hljs-keyword">break</span>

  tcpServer.close()
</code></pre>
</li>
</ul>
<ul>
<li><h3 id="tcp&#x5BA2;&#x6237;&#x7AEF;&#x642D;&#x5EFA;">TCP&#x5BA2;&#x6237;&#x7AEF;&#x642D;&#x5EFA;</h3>
<pre><code class="lang-py">  <span class="hljs-comment"># -*- coding:utf-8 -*-</span>

  <span class="hljs-keyword">import</span> socket

  tcpClient = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

  tcpClient.connect((<span class="hljs-string">&quot;10.15.107.14&quot;</span>, <span class="hljs-number">8000</span>))
  print(<span class="hljs-string">&quot;&#x5DF2;&#x6210;&#x529F;&#x8FDE;&#x63A5;&#x5230;&#x670D;&#x52A1;&#x5668;......&quot;</span>)

  <span class="hljs-keyword">while</span> <span class="hljs-keyword">True</span>:
      data = input(<span class="hljs-string">&quot;&gt;&gt;&gt;&quot;</span>)
      tcpClient.send(data.encode(<span class="hljs-string">&quot;utf-8&quot;</span>))
      <span class="hljs-keyword">if</span> data == <span class="hljs-string">&apos;q&apos;</span>:
          <span class="hljs-keyword">break</span>

      recvs = tcpClient.recv(<span class="hljs-number">1024</span>)
      print(recvs.decode(<span class="hljs-string">&quot;utf-8&quot;</span>))
      <span class="hljs-keyword">if</span> recvs.decode(<span class="hljs-string">&quot;utf-8&quot;</span>) == <span class="hljs-string">&apos;q&apos;</span>:
          <span class="hljs-keyword">break</span>
  tcpClient.close()
</code></pre>
</li>
</ul>

                    
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